Mole Conversions 2 Question Preview (ID: 55588)


Simple Conversions. TEACHERS: click here for quick copy question ID numbers.

How many atoms of carbon are in 6.00g of carbon?
a) 1.2 E24
b) 3.01 E23
c) 1.5 E23
d) 6.02 E23

Avogadro's number is
a) 6 E23
b) 12 dozen
c) 10000
d) 1.9 E-15

How many grams are in 0.90 mol Pd?
a) 95.8
b) 106
c) 1.80
d) 0.090

What is the number of moles of beryllium atoms in 36 g of Be?
a) 4.0
b) 0.25
c) 45
d) 2.2 E25

What is the gram formula mass of (NH4)2CO3?
a) 96
b) 43
c) 144
d) 78

What is the molar mass of AuCl3?
a) 96
b) 130
c) 304
d) 233

How many moles of CaBr2 are there in 5.0 grams of CaBr2?
a) 100
b) 0.025
c) 0.042
d) 3.0 E24

How many atoms are there in 0.075 mol of titanium?
a) 1.2 E-25
b) 6.4 E2
c) 4.5 E22
d) 2.2 E24

How many moles of tungsten atoms are there in 4.8 E25 atoms of tungsten?
a) 0.13
b) 0.8
c) 0.013
d) 80

aHow many grams are in 1.2 E24 molecules of CO?
a) 28
b) 56
c) 1.2
d) 6.0

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